/*
 * Copyright 2015 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.channel;

/**
 * 当事件循环尝试读操作时，限制了读操作的数量
 */
public interface MaxMessagesRecvByteBufAllocator extends RecvByteBufAllocator {
    /**
     * 返回每个读取循环所要读取的最大消息数
     * {@link ChannelInboundHandler#channelRead(ChannelHandlerContext, Object) channelRead()}事件
     * 如果这个值大于1，一个事件循环可能会试图多次读取以获取多个消息
     */
    int maxMessagesPerRead();

    /**
     * 如果这个值大于1，一个事件循环可能会试图多次读取以获取多个消息
     */
    MaxMessagesRecvByteBufAllocator maxMessagesPerRead(int maxMessagesPerRead);
}
